General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH pen or meter. General Hydroponics™ technicians check each batch to ensure that their solutions are precisely calibrated and yield reliable readings each time they are used.
Additional information
Additional information
Weight
1 lbs
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7.01 pH Calibration Solution 8oz
$7.95$7.16
General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH pen or meter. General Hydroponics™ technicians check each batch to ensure that their solutions are precisely calibrated and yield reliable readings each time they are used.
